Even so, the more successful they were in boosting speed and trimming fuel needs, the worse ocean freighters' economics became.

Today, about 90 percent of vehicular fuel needs are met by oil.

Its product was of overwhelming importance to the fuel needs of the nation.

In addition to standard fuel needs, some organizations require that a flight plan include reserve fuel if certain conditions are met.

A refilling station is there to cater to the fuel needs of the vehicles in the campus.

It began operations in 1965 and produces a range of petroleum products which meets more than half of the state's fuel needs.

And there's generally not enough waste oil left over from cooking to provide all the community fuel needs.

Because of fuel needs, mining and metallurgy often led to deforestation and city abandonment.

Wood and charcoal from the forests are used to meet 80% of domestic fuel needs.

The World Bank in 1990 launched an environmental program that has increased the planting of pine and eucalyptus to satisfy fuel needs.